$ git clone -n https://src.fedoraproject.org/rpms/lovelock-backgrounds.git /var/lib/mock/f40-build-2112192-50666/root/chroot_tmpdir/scmroot/lovelock-backgrounds
Cloning into '/var/lib/mock/f40-build-2112192-50666/root/chroot_tmpdir/scmroot/lovelock-backgrounds'...
$ git fetch origin 196eb96e1dc8dbe4cc8dec7ba08ef17b1dc48084:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lovelock-backgrounds
 * [new ref]         196eb96e1dc8dbe4cc8dec7ba08ef17b1dc48084 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 196eb96 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild